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DE69217142D1 - Nuclear magnetic resonance device with decoupled receiving coils - Google Patents

Nuclear magnetic resonance device with decoupled receiving coils

Info

Publication number
DE69217142D1
DE69217142D1 DE69217142T DE69217142T DE69217142D1 DE 69217142 D1 DE69217142 D1 DE 69217142D1 DE 69217142 T DE69217142 T DE 69217142T DE 69217142 T DE69217142 T DE 69217142T DE 69217142 D1 DE69217142 D1 DE 69217142D1
Authority
DE
Germany
Prior art keywords
magnetic resonance
nuclear magnetic
resonance device
receiving coils
decoupled
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69217142T
Other languages
German (de)
Other versions
DE69217142T2 (en
Inventor
Jeroen Snelten
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Electronics NV filed Critical Philips Electronics NV
Publication of DE69217142D1 publication Critical patent/DE69217142D1/en
Application granted granted Critical
Publication of DE69217142T2 publication Critical patent/DE69217142T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3642—Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification
    • G01R33/365—Decoupling of multiple RF coils wherein the multiple RF coils have the same function in MR, e.g. decoupling of a receive coil from another receive coil in a receive coil array, decoupling of a transmission coil from another transmission coil in a transmission coil array

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE69217142T 1991-08-26 1992-08-25 Nuclear magnetic resonance device with decoupled receiving coils Expired - Fee Related DE69217142T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91202168 1991-08-26

Publications (2)

Publication Number Publication Date
DE69217142D1 true DE69217142D1 (en) 1997-03-13
DE69217142T2 DE69217142T2 (en) 1997-07-17

Family

ID=8207841

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69217142T Expired - Fee Related DE69217142T2 (en) 1991-08-26 1992-08-25 Nuclear magnetic resonance device with decoupled receiving coils

Country Status (4)

Country Link
US (1) US5302901A (en)
EP (1) EP0529730B1 (en)
JP (1) JPH05285121A (en)
DE (1) DE69217142T2 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4322352C2 (en) * 1993-07-05 1996-09-05 Siemens Ag High-frequency system of a magnetic resonance imaging system with a galvanically decoupled local coil device
US5370118A (en) * 1993-12-23 1994-12-06 Medical Advances, Inc. Opposed loop-pair quadrature NMR coil
DE19502374A1 (en) * 1995-01-26 1996-10-31 Philips Patentverwaltung MR method with inductively coupled receiver coil arrangements
US5664568A (en) * 1995-08-08 1997-09-09 Picker International, Inc. Split-top, neck and head vascular array for magnetic resonance imaging
DE19536531C2 (en) * 1995-09-29 1999-02-25 Siemens Ag Antenna arrangement for a magnetic resonance device
DE69634037T2 (en) * 1996-01-19 2005-12-22 Koninklijke Philips Electronics N.V. COMBINATION CIRCUIT FOR AN RF MEASURING PULSE SYSTEM FOR DETECTING SIGNALS MAGNETIC RESONANCE
AU3151997A (en) * 1996-06-03 1998-01-05 Samuel Roznitsky Antenna system for nmr and mri apparatus
US6208235B1 (en) 1997-03-24 2001-03-27 Checkpoint Systems, Inc. Apparatus for magnetically decoupling an RFID tag
US6072383A (en) * 1998-11-04 2000-06-06 Checkpoint Systems, Inc. RFID tag having parallel resonant circuit for magnetically decoupling tag from its environment
US6348794B1 (en) * 2000-01-18 2002-02-19 Ge Yokogawa Medical Systems, Limited RF coil for magnetic resonance imaging having three separate non-overlapping coils electrically isolated from each other
US6836118B2 (en) * 2000-03-10 2004-12-28 Mri Devices Corp. Method and apparatus for NMR imaging
DE10220365A1 (en) * 2001-05-08 2002-12-05 Ge Med Sys Global Tech Co Llc Radio frequency coil, radio frequency signal transceiver, radio frequency signal receiver and magnetic resonance imaging system
DE10317629B8 (en) * 2002-04-17 2010-03-04 Ge Medical Systems Global Technology Company Llc, Waukesha RF coil and magnetic resonance imaging device
US6747452B1 (en) * 2002-11-22 2004-06-08 Igc Medical Advanced, Inc. Decoupling circuit for magnetic resonance imaging local coils
US6919723B2 (en) * 2003-07-09 2005-07-19 General Electric Company Method and apparatus to automatically maintain loop isolation in position variant MRI coils
JP2008516644A (en) * 2004-09-16 2008-05-22 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Magnetic resonance receiver coil with compact inductive element
DE102004046188B4 (en) * 2004-09-23 2008-01-10 Siemens Ag Antenna arrangement for receiving a magnetic resonance signal
DE102006041914A1 (en) * 2006-09-07 2008-03-27 Dräger Medical AG & Co. KG Radiofrequency detection system for a medical device and method
CN104783795A (en) * 2014-01-22 2015-07-22 上海辰光医疗科技股份有限公司 Magnetic resonance radio frequency receiving coil with coil unit isolating function
CN113917548B (en) * 2021-09-27 2024-05-28 吉林大学 Decoupling device and method for array receiving coils of magnetic resonance water finding instrument

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4620155A (en) * 1984-08-16 1986-10-28 General Electric Company Nuclear magnetic resonance imaging antenna subsystem having a plurality of non-orthogonal surface coils
US4742304A (en) * 1986-05-02 1988-05-03 Phospho-Energetics, Inc. Multiple tuning NMR probe
US4769605A (en) * 1986-11-26 1988-09-06 Kabushiki Kaisha Toshiba Network to cancel coupling between channels of quadrature antenna coil assembly in a magnetic resonance imaging system
NL8603005A (en) * 1986-11-27 1988-06-16 Philips Nv MAGNETIC RESONANCE DEVICE WITH FLEXIBLE QUADRATURE RINSE SYSTEM.
US4881034A (en) * 1988-01-19 1989-11-14 The Regents Of The University Of California Switchable MRI RF coil array with individual coils having different and overlapping fields of view
US4812764A (en) * 1988-03-31 1989-03-14 Varian Associates, Inc. Calibrated decoupling of tightly coupled concentric surface coils
NL8801077A (en) * 1988-04-26 1989-11-16 Philips Nv MAGNETIC RESONANCE DEVICE WITH DISCONNECTED RF COILS.
DE3820168A1 (en) * 1988-06-14 1989-12-21 Philips Patentverwaltung CORE SPIN EXAMINATION DEVICE WITH A CIRCUIT FOR UNCOUPLING THE BOTH COIL SYSTEMS OF A SQUARE COIL ARRANGEMENT
GB8814187D0 (en) * 1988-06-15 1988-07-20 Mansfield P Improvements in/relating to surface electrical coil structures
DE3905564A1 (en) * 1989-02-23 1990-09-06 Philips Patentverwaltung Arrangement for nuclear magnetic resonance (NMR, nuclear spin resonance) examination devices

Also Published As

Publication number Publication date
EP0529730B1 (en) 1997-01-29
EP0529730A1 (en) 1993-03-03
JPH05285121A (en) 1993-11-02
US5302901A (en) 1994-04-12
DE69217142T2 (en) 1997-07-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8339 Ceased/non-payment of the annual fee